diff --git a/pkgs/development/libraries/haskell/yesod-form/default.nix b/pkgs/development/libraries/haskell/yesod-form/default.nix
index 26f0735f723..2fcd8f5a0f9 100644
--- a/pkgs/development/libraries/haskell/yesod-form/default.nix
+++ b/pkgs/development/libraries/haskell/yesod-form/default.nix
@@ -9,8 +9,8 @@
 
 cabal.mkDerivation (self: {
   pname = "yesod-form";
-  version = "1.3.11";
-  sha256 = "15c4qyvz1mn56pl9add865lm351wjhdhrbzm87py2jliglm905n0";
+  version = "1.3.13";
+  sha256 = "1asywf0a75gj3d55g700132m49mglim23kxqczrx10ll1k076sfw";
   buildDepends = [
     aeson attoparsec blazeBuilder blazeHtml blazeMarkup byteable
     dataDefault emailValidate hamlet network persistent resourcet